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Residual metabolizable energy intake and its association with diet and test duration
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- Author(s) / Creator(s)
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The objective was to determine if end-of-test residual metabolizable energy intake (RMEI) is correlated with RMEI values calculated earlier in the test on steers fed two forage (silage) or four forage-grain diets. As the days on test increased the variation in RMEI decreased in all diets. In all but the 85% alfalfa + 15% barley grain diet, test duration for RMEI may be reduced from 105 to 84 d. In the 100% alfalfa silage diet, it may be further reduced from 105 to 63 d (Spearman r = 0.90; Pearson r = 0.94; P < 0.01). The duration of testing required to obtain reliable estimates of RMEI may therefore also depend on the type of diet being fed.
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- Date created
- 2004
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- Subjects / Keywords
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- Type of Item
- Article (Published)
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- License
- @2004 Goonewardene L. A., Okine, E. K., Wang, Z., Spener, D., Mir, Z., Mir, P. S., Marx, T. This version of this article is open access and can be downloaded and shared. The original author(s) and source must be cited.